Ampeloglypter sesostris (LeConte, 1876)

Pentinsaari, Mikko, Anderson, Robert, Borowiec, Lech, Bouchard, Patrice, Brunke, Adam, Douglas, Hume, Smith, Andrew B. T. & Hebert, Paul D. N., 2019, DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera), ZooKeys 894, pp. 53-150 : 53

Ampeloglypter sesostris (LeConte, 1876)

Distribution.

Native to the Nearctic region. Previously recorded from Indiana, Michigan, Ohio, Pennsylvania, Illinois, Florida, and Missouri ( O’Brien and Wibmer 1982; Saunders and Tobin 2000) but likely more widespread in eastern and midwestern United States ( Riedl and Taschenberg 1984).

Canadian records

(DNA barcoded specimens). Ontario: Pelee Island, 06-Jun-1982 (1 ex, CNC); Rouge National Urban Park, 25-Jun-2017 (1 ex, CBG).

Additional Canadian records.

Ontario: Pelee Island, 26-Jun-1940 (1 ex, CNC); Pelee Island, 27-Jun-1940 (1 ex, CNC); Windsor, 30-May-2002 (1 ex, CMNC).

Diagnostic information

(based on Blatchley and Leng 1916 and Anderson 2002). Body length: 2.7-3.0 mm. Body glabrous, shiny, elongate-oval, pale reddish brown throughout. Elytral interstriae flat. Femora not toothed. Tarsus with two claws connate at base.

Bionomic notes.

This species feeds on Vitis L. species, and it is considered a minor pest in vineyards ( Bouchard et al. 2005). The female oviposits above a stem node and hollows out additional cavities along the longitudinal axis of shoots of the host plants. The larva develops and feeds on tissues inside the shoot, causing it to swell and thereby inducing gall formation ( Lasnier et al. 2019).

Comments.

The red-brown Ampeloglypter sesostris , known commonly as the grape cane gallmaker, can be separated from the other two species in this genus in the United States and Canada by color: A. ampelopsis (Riley, 1869) and A. longipennis Casey, 1892 have a black integument.